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TIANAN VT19-12/24 High Voltage Vacuum Circuit Breaker with 12/24 kV Rated Voltage and 75/125 kV Lightning Impulse Withstand Voltage for 50 Hz Power Systems

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TIANAN VT19-12/24 High Voltage Vacuum Circuit Breaker with 12/24 kV Rated Voltage and 75/125 kV Lightning Impulse Withstand Voltage for 50 Hz Power Systems

Large Image : TIANAN VT19-12/24 High Voltage Vacuum Circuit Breaker with 12/24 kV Rated Voltage and 75/125 kV Lightning Impulse Withstand Voltage for 50 Hz Power Systems

Product Details:

Place of Origin:	CHINA
Brand Name:	TIANAN
Certification:	GB
Model Number:	VT19-12/24

Payment & Shipping Terms:

Minimum Order Quantity:	1 SETS
Price:	To be pending
Packaging Details:	WOODEN CASE
Delivery Time:	According to the fact
Payment Terms:	L/C,T/T
Supply Ability:	300 SETS/YEAR

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Detailed Product Description

Rated Frequency:	50 Hz	Altitude:	≤1000 M
Closing Time:	30~70 Ms	Average Opening Speed:	12 KV/0.9~1.3 ; 24kV/1.1~1.6 M/s
Rated Operation Sequence:	O-0.3s-CO-180s-CO	Overtravel:	3.5±0.5 Mm
Environment Temperature:	-15℃~+40℃	Opening Time:	15~45 Ms

12/24 KV High Voltage Circuit Breaker with 75/125 KV Rated Lighting Impulse Withstand Voltage

TIANAN VT19-12/24 High Voltage Vacuum Circuit Breaker | 12/24 kV 50 Hz Indoor Power Distribution Protection

Brand: TIANAN | Model: VT19-12/24 | Origin: China | Certification: GB

Product Overview

The TIANAN VT19-12/24 High Voltage Vacuum Circuit Breaker is designed for 12kV and 24kV power systems, with reliable operation at altitudes up to 1000 meters and seismic resistance below Grade 8. It is widely used in substations, industrial facilities, renewable energy plants, and commercial buildings, providing precise short-circuit protection and overload isolation for high-voltage distribution networks.

Technical Specifications

Parameter	Specification
Ambient Temperature Range	-15℃ ~ +40℃
Rated Voltage	12 / 24 kV
Rated Frequency	50 Hz
Maximum Altitude	≤ 1000 m
Earthquake Resistance	< Grade 8
Average Opening Speed	12kV: 0.9~1.3 m/s 24kV: 1.1~1.6 m/s
Average Closing Speed	12kV: 0.4~0.8 m/s 24kV: 0.6~1.0 m/s
Opening Time	15~45 ms
Closing Time	30~70 ms
Overtravel	3.5 ± 0.5 mm
Rated Operation Sequence	O-0.3s-CO-180s-CO
Rated Lightning Impulse Withstand Voltage	75 / 125 kV

Applications

Power Substations
Industrial Plants
Renewable Energy Projects (Wind/Solar)
Commercial Buildings
Mining & Metallurgy

Ordering & Logistics

Minimum Order Quantity: 5 sets
Packaging: Wooden pallet
Delivery Time: Subject to actual order
Price & Payment: To be negotiated

Technical Support & Services

Installation guidance, fault diagnosis, maintenance recommendations, operator training, remote monitoring, on-site repair and replacement.

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Contact Person: Ms. Lian Huanhuan

Tel: +86-13858385873

Fax: 86-574-87911400

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Structure type: Hand Car